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Unit 4 Helitorch, Batchmixer and Modular Mix Transfer Components

Unit 4 Helitorch, Batchmixer and Modular Mix Transfer Components. Objectives. Know basic parts & mechanics of a Helitorch Become familiar with the mixing systems.

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Unit 4 Helitorch, Batchmixer and Modular Mix Transfer Components

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  1. Unit 4Helitorch, Batchmixer and Modular Mix Transfer Components

  2. Objectives • Know basic parts & mechanics of a Helitorch • Become familiar with the mixing systems

  3. Basic function of mixing system is to combine raw fuel with a gelling agent to create a thickened mixture, then transfer it to the helitorch

  4. The purpose of a Helitorch is to dispense ignited gelled fuel via a helicopter.

  5. Helitorch Primary Parts

  6. Helitorch Primary Parts • Frame • Fuel tank with sight glasses • Ignition system • Pump and positive shut-off nozzle • Clay&Bailey relief valve • Cam-lock and dry break fittings • Single point suspension with adjustable attachment point and electrical cable

  7. Batchmixer

  8. Batchmixer • Designed to mix gelling agents and fuel to a thick, consistent mix • Tank designed to meet U.S. D.O.T. regulations • Capable of mixing large quantities of fuel & pumping to Helitorch drums

  9. Batchmix Components

  10. Motor Pump Pressure gauge Plumbing 3-way valve MC 306 or DOT 406 tank Fuel fill port Mix/re-circulation tank Discharge hose with dry break valves Suction dry break fitting port Suction hose with dry break valves Emergency Shut Off handle with minimum 20 foot lanyard Batchmixer Components

  11. Modular Mix Transfer System

  12. Modular Mix Transfer Systems • Same purpose as a batchmixer • Not hard plumbed to a mix tank • Pumps gelled fuels from one drum to another • Less costly to manufacture • D.O.T. regulated for public highway transportation

  13. Transfer System Components

  14. Motor Pump Pressure gauge Approved drums Fuel fill port Clay/Bailey relief valve Powder dispenser Sight glasses Discharge hose with dry break valves Suction/re-circulation dry break fittings Suction hose with dry break valves Modular Mix Transfer System Components

  15. Helitorch Support Kit Contents- PPE -

  16. PPE • Nitrile , leather and cotton gloves • Cotton or non-static coveralls • OSHA/NIOSH approved dust masks • Chemical splash goggles • Ear plugs

  17. Helitorch Support Kit Contents (cont’) -Mixing Equipment-

  18. Mixing Equipment • Spring scale • Aluminum container for powder measuring • Non-ferrous mixing paddle • Commercial gelling agent • Fuel thermometer • Approved powder dispenser

  19. Static Bonding Equipment

  20. Static Bonding • Bonding cables w/clamps and clips • Approved transparent vapor hose • Gasoline approved transfer hose • Both the vapor and fuel transfer hose should have wire helix and be continuity tested prior to use

  21. - Communications -

  22. Communications • Hand held radio with chest harness • Headset with hardhat or SPH 4/5 flight helmet with push to talk capability • Extra clam shells with extra batteries • Discrete radio frequency

  23. Helitorch/Mixing System Misc. supplies and parts • Extra drums • 24 volt system for running tests • Extra parts including: spark plug, drive belts, solenoid valve, single pole guarded electrical switch, propane regulator, dry break (male and female), grease w/gun • Propane bottles

  24. MISC. Supplies cont. • O-ring • Grease Gun w/grease • 5 gal. Of diesel or jet A • Cotton rags, hand cleaner, steel wool, duct tape, wire brush, wire ties, garbage bags, etc. • 5 gal. Cubie of water • Tools and 2 large non-ferrous pipe wrenches • Spare drum seal(s)

  25. - Helibase Equipment -

  26. Helibase Equipment • 40-B:C fire extinguishers • Pad maker w/nails • Wind indicator, wind meter and thermometer • Helibase, No Smoking and Flammable signs • Barrier flagging with stakes

  27. Helibase Equipment cont. • First Responder Medical Kit w/burn blankets and eye wash • Crash Rescue Kit • Evacuation litter • 5-Gallon Class B foam • Fiber Tape

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